1,7-dichlorooctamethyltetrasiloxane

Modify Date: 2024-01-10 10:16:01

1,7-dichlorooctamethyltetrasiloxane Structure
1,7-dichlorooctamethyltetrasiloxane structure
Common Name 1,7-dichlorooctamethyltetrasiloxane
CAS Number 2474-02-4 Molecular Weight 351.522
Density 1.0±0.1 g/cm3 Boiling Point 246.6±23.0 °C at 760 mmHg
Molecular Formula C8H24Cl2O3Si4 Melting Point -62ºC(lit.)
MSDS N/A Flash Point 87.8±0.0 °C

 Names

Name chloro-[[[chloro(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 246.6±23.0 °C at 760 mmHg
Melting Point -62ºC(lit.)
Molecular Formula C8H24Cl2O3Si4
Molecular Weight 351.522
Flash Point 87.8±0.0 °C
Exact Mass 350.017944
PSA 27.69000
LogP 8.54
Appearance of Characters liquid
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.428

 Safety Information

Hazard Codes C: Corrosive;
Risk Phrases R34
Safety Phrases 26-36/37/39-45
RIDADR UN 2987 8/PG 2
WGK Germany 3
Packaging Group II
HS Code 2934999090

 Synthetic Route

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1,7-dichlorooctamethyltetrasiloxane Structure

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Detail
Literature: US2381366 , ; C. A., , p. 4890

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1,7-dichlorooctamethyltetrasiloxane Structure

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Literature: Doklady Chemistry, , vol. 451, # 2 p. 203 - 206 Dokl. Akad. Nauk, , vol. 451, # 5 p. 528 - 532

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Literature: Chemistry Letters, , # 11 p. 2133 - 2136

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Detail
Literature: US2645654 , ; C. A., , p. 7050

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Detail
Literature: Russian Journal of General Chemistry, , vol. 68, # 4 p. 658 - 659 Zhurnal Obshchei Khimii, , vol. 68, # 4 p. 699 - 700

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1,7-dichlorooctamethyltetrasiloxane Structure

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Literature: Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , p. 806,807, 809; engl. Ausg. S. 827, 828, 830

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1,7-dichlorooctamethyltetrasiloxane Structure

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Detail
Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 62, # 1.1 p. 97 - 102,79 - 83

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1,7-dichlorooctamethyltetrasiloxane Structure

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CAS#:2474-02-4

Literature: Journal of the American Chemical Society, , vol. 68, p. 360,363 US2381366 , ;

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1,7-Dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane
MFCD00045148
Tetrasiloxane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-
Tetrasiloxane,1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl
EINECS 219-597-6
1,7-dichlorooctamethyltetrasiloxane
1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxane
1,7-Dichlor-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxan